CN217821888U

CN217821888U - Liquid buoyancy presentation device for physical teaching

Info

Publication number: CN217821888U
Application number: CN202221746294.9U
Authority: CN
Inventors: 黄恒烽; 郭紫琳; 黄恒旺; 黄恒翠
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-05
Filing date: 2022-07-05
Publication date: 2022-11-15
Anticipated expiration: 2032-07-05

Abstract

The utility model relates to a presentation device technical field just discloses a liquid buoyancy presentation device for physical teaching, place the case including glass water tank and transparent, four sides all around of transparent case of placing all are connected with the accessory plate, the downside of accessory plate is connected with multiunit buoyancy device, the lower lateral wall and the right side wall of transparent case of placing have all seted up the limbers, the upside of glass water tank is provided with the backup pad, the body of backup pad is connected with second force sensor, the utility model discloses the scheme can cooperate through setting up devices such as glass water tank, transparent case of placing, accessory plate, buoyancy device, backup pad, second force sensor, second connecting wire and second couple and can carry out buoyancy demonstration work, detects the buoyancy of each article self simultaneously, also can change the different buoyancy in different water source detection water sources, like article at the difference of salt solution and fresh water.

Description

Liquid buoyancy demonstration device for physics teaching

Technical Field

The utility model belongs to the technical field of the presentation device, specifically be a liquid buoyancy presentation device for physical teaching.

Background

Through the retrieval, chinese patent is granted No. CN 211604477U's patent, discloses a buoyancy presentation device for physical teaching, including the box, the inner chamber of box is provided with the diaphragm, first through-hole has all been seted up to the both sides at diaphragm top, the inner chamber of first through-hole is provided with the threaded rod, the bottom fixedly connected with bottom plate of threaded rod, the equal fixedly connected with kickboard in both sides of bottom plate bottom, the screw thread end threaded connection of threaded rod has the nut, and the device passes through the cooperation of box, diaphragm, first through-hole, threaded rod, bottom plate, kickboard, nut, branch and hand wheel, has realized the purpose that excellent in use effect, is convenient for fix the test article to avoid bringing the trouble for the user, improved the user and had experienced the sense to buoyancy presentation device for physical teaching, satisfied the demand in present market, improved buoyancy presentation device for physical teaching's practicality and usability, solved the not good problem of buoyancy presentation device for physical teaching in the past, but the device need offset fixed establishment's weight through the kickboard, makes fixed establishment be in the suspended state, so can only measure to a body, can not change buoyancy, provide this buoyancy for physical teaching liquid.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a liquid buoyancy presentation device for physical teaching, the effectual device that has solved need make fixed establishment be in the suspended state through the weight that offsets fixed establishment through the kickboard, so can only measure buoyancy to a liquid, can not change liquid, the problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a liquid buoyancy presentation device for physical teaching, includes glass water tank and transparent case of placing, four sides all are connected with the accessory plate around the transparent case of placing, the downside of accessory plate is connected with multiunit buoyancy device, the lower wall and the right side wall of transparent case of placing have all seted up the limbers, the upside of glass water tank is provided with the backup pad, the body of backup pad is connected with second force sensor, the downside of second force sensor is connected with the second connecting wire, the downside of second connecting wire is connected with the second couple, the upside of transparent case of placing is connected with the connecting plate, the upside of connecting plate is connected with the third ring.

Preferably, the bottom wall of the inner cavity of the glass water tank is connected with a first tension sensor, the upper side of the first tension sensor is connected with a first connecting wire, the upper side of the first connecting wire is connected with a first hook, and the lower side of the transparent placing box is connected with a first circular ring.

Preferably, the buoyancy device includes the kickboard, the upside of kickboard is connected with inhales the iron stone piece, the downside of kickboard is connected with the second ring.

Preferably, the left side and the right side of backup pad bottom all are connected with the fixture block, the downside of fixture block has seted up with glass water tank lateral wall assorted draw-in groove.

Preferably, the bottom wall of the glass water tank is connected with four groups of guide rods, and the auxiliary plates on the left side and the right side are provided with two groups of insertion holes matched with the guide rods.

Preferably, the left side and the right side of the glass water tank are both connected with handles, and four corners of the bottom end of the glass water tank are both connected with foot seats.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the buoyancy demonstration work can be carried out by matching the glass water tank, the transparent placing box, the auxiliary plate, the buoyancy device, the supporting plate, the second tension sensor, the second connecting wire, the second hook and other devices, the buoyancy of each article can be detected, and different water sources can be replaced to detect the change of different buoyancy of the water source, such as the difference of the articles in salt water and fresh water;

2. the first tension sensor, the first connecting line, the first ring and the first hook are arranged, so that the numerical value of the buoyancy of the transparent placing box and the buoyancy device can be tested when the transparent placing box and the buoyancy device receive large buoyancy and then float on the water surface;

3. the transparent placing box is provided with buoyancy by arranging the floating plate, the transparent placing box is convenient to connect with the second tension sensor through the second circular ring to carry out gravity and buoyancy test, and the iron-attracting block is convenient for the buoyancy device to be connected with the first connecting wire.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention.

In the drawings:

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic diagram of the structure of the auxiliary plate of the present invention;

FIG. 3 is a schematic diagram of the structure of the connection plate of the present invention;

fig. 4 is a schematic structural view of the buoyancy device of the present invention.

In the figure: 100. a glass water tank; 110. a first tension sensor; 120. a first connection line; 130. a first hook; 140. a support plate; 141. a clamping block; 150. a second tension sensor; 151. a second connecting line; 152. a second hook; 160. a guide bar; 200. a transparent placing box; 210. a first circular ring; 220. an auxiliary plate; 230. a buoyancy device; 231. a floating plate; 232. adsorbing the iron blocks; 233. a second circular ring; 240. a connecting plate; 241. and a third ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a liquid buoyancy demonstration device for physics teaching comprises a glass water tank 100 and a transparent placing box 200, wherein the transparent placing box 200 can be used for placing a gravity weight therein for balancing weight, the front side, the rear side, the left side and the right side of the transparent placing box 200 are respectively connected with an auxiliary board 220, the lower side of the auxiliary board 220 is connected with a plurality of groups of buoyancy devices 230, the buoyancy devices 230 are installed according to the number of the required buoyancy devices 230, so as to observe the buoyancy change, the lower side wall and the right side wall of the transparent placing box 200 are respectively provided with a water through hole, the water through holes are used for water to enter the transparent placing box 200, so that the transparent placing box 200 only receives the buoyancy of itself, the upper side of the glass water tank 100 is provided with a support plate 140, the support plate 140 can be detached, the body of the support plate 140 is fixedly connected with a second tension sensor 150, the lower side of the second tension sensor 150 is fixedly connected with a second connecting wire 151, the lower side of the second connecting line 151 is fixedly connected with a second hook 152, the upper side of the transparent placing box 200 is connected with a connecting plate 240, the upper side of the connecting plate 240 is connected with a third ring 241, the buoyancy demonstration work can be carried out by matching the glass water tank 100, the transparent placing box 200, the auxiliary plate 220, the buoyancy device 230, the supporting plate 140, the second tension sensor 150, the second connecting line 151, the second hook 152 and other devices, the buoyancy demonstration work can be carried out, the buoyancy of each article can be detected at the same time, different water sources can be replaced to detect the change of different buoyancy of water sources, such as the difference of salt water and fresh water of the article, the bottom wall of the inner cavity of the glass water tank 100 is fixedly connected with a first tension sensor 110, the upper side of the first tension sensor 110 is fixedly connected with a first connecting line 120, the upper side of the first connecting line 120 is fixedly connected with a first hook 130, the lower side of the transparent placing box 200 is connected with the first ring 210, the first tension sensor 110, the first connecting line 120, the first ring 210 and the first hook 130 are arranged to facilitate the test of the buoyancy value of the transparent placing box 200 and the buoyancy device 230 when the transparent placing box receives larger buoyancy and then floats on the water surface, the buoyancy device 230 comprises a floating plate 231, the upper side of the floating plate 231 is fixedly connected with a magnet block 232, the lower side of the floating plate 231 is fixedly connected with a second ring 233, the transparent placing box 200 is provided with buoyancy by arranging the floating plate 231, the transparent placing box 200 is conveniently connected with the second tension sensor 150 by the second ring 233 to perform gravity and buoyancy tests, the buoyancy device 230 is conveniently connected with the first connecting line 120 by arranging the magnet block 232, the equal fixedly connected with fixture block 141 in the left and right sides of backup pad 140 bottom, fixture block 141's downside seted up with glass water tank 100 lateral wall assorted draw-in groove, through setting up fixture block 141, be convenient for backup pad 140 is fixed in glass water tank 100's upside, the backup pad 140 of being convenient for simultaneously again dismantles, four guide arms 160 of diapire fixedly connected with of glass water tank 100, left and right sides accessory plate 220 has all been seted up two sets ofly and guide arm 160 assorted jack, can carry on spacingly to accessory plate 220 through setting up guide arm 160, and then it is spacing to transparently place case 200, the equal fixedly connected with handle in the left and right sides of glass water tank 100, the equal fixedly connected with foot stool in four corners of glass water tank 100 bottom, through setting up handle and foot stool, the staff of being convenient for places and removes glass water tank 100.

The working principle is as follows: when the novel scheme is implemented specifically, when the glass water tank 100 is used, the glass water tank 100 is placed on a desktop, the transparent placing tank 200 is placed in front of the glass water tank 100, the gravity of the transparent placing tank 200 is tested through the second tension sensor 150, the transparent placing tank 200 is connected with the second hook 152 through the second connecting line 151, the third ring 241 and the connecting plate 240, then the weights of the transparent placing tank 200, the first ring 210 and the auxiliary plate 220 are measured out, then the weight of each group of buoyancy devices 230 is measured out through the second tension sensor 150, the second tension sensor 150 is connected with the second ring 233 through the second connecting line 151 and the second hook 152, the gravity test of the buoyancy devices 230 is completed, after the test is completed, the transparent placing tank 200 is placed in the glass water tank 100, water is added into the glass water tank 100, meanwhile, the supporting plate 140 is placed on the upper side of the glass water tank 100 through the fixture block 141, the second tension sensor 150 is connected with the transparent placing tank 200, at this time, the weight of the transparent placing box 200 in the water of the glass water tank 100 is calculated, the weight of the transparent placing box 200, the first circular ring 210 and the auxiliary plate 220 in the water is subtracted from the weight of the transparent placing box 200, the first circular ring 210 and the auxiliary plate 220 in the air to obtain the weight of the transparent placing box 200, the first circular ring 210 and the auxiliary plate 220 in the water, the buoyancy device 230 is installed on the lower side of the auxiliary plate 220, the floating plate 231 is adsorbed on the lower side of the auxiliary plate 220 through the iron attracting block 232, the buoyancy is provided for the transparent placing box 200 through the buoyancy device 230, the buoyancy of the transparent placing box 200, the first circular ring 210, the auxiliary plate 220 and the buoyancy device 230 in the air is subtracted from the weight of the transparent placing box 200, the first circular ring 210, the auxiliary plate 220 and the buoyancy device 230 in the water to obtain the buoyancy of the buoyancy device 230, installing a plurality of groups of buoyancy devices 230, the plurality of groups of buoyancy devices 230 drive the transparent placing box 200 to move upwards to float to the water surface, at this time, the buoyancy of the transparent placing box 200 cannot be detected through the second tension sensor 150, the first tension sensor 110 is connected with the transparent placing box 200 through the first hook 130 and the first connecting line 120 and the first ring 210, the line segment of the first connecting line 120 is not too long, and it is required to ensure that the auxiliary plate 220 is always underwater, at this time, the numerical value obtained by the transparent placing box 200 is the result obtained by adding the buoyancy of the buoyancy device 230 to the transparent placing box 200, subtracting the buoyancy of the transparent placing box 200 from the buoyancy of the first ring 210 and the auxiliary plate 220, the first ring 210 and the buoyancy of the buoyancy device 230, the gravity weight can be placed in the transparent placing box 200, the gravity and the buoyancy of the gravity weight can also be calculated through the second tension sensor 150, the buoyancy of the articles can be displayed for students through the device, and different liquids can also be placed in the glass water tank 100 to test the buoyancy effect brought by the articles.

It should be noted that, in this document, relational terms such as first and second, and the like are only used for distinguishing one entity or operation from another entity or operation without necessarily requiring or implying any actual such relationship or order between such entities or operations, and the terms "comprise", "include", or any other variation thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but also other elements not expressly listed or inherent to such process, method, article, or apparatus, and the terms "mount", "connect", or "connect" should be broadly construed, for example, as being fixedly connected, detachably connected, or integrally connected unless expressly specified or limited otherwise; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or the two elements may be connected through an intermediate medium, and a person skilled in the art can understand the specific meaning of the above terms in the present invention through specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a liquid buoyancy presentation device for physical teaching which characterized in that: the glass water tank comprises a glass water tank (100) and a transparent placing tank (200), wherein auxiliary plates (220) are connected to the front, the back, the left and the right of the transparent placing tank (200), a plurality of groups of buoyancy devices (230) are connected to the lower side of each auxiliary plate (220), water through holes are formed in the lower side wall and the right side wall of the transparent placing tank (200), a supporting plate (140) is arranged on the upper side of the glass water tank (100), a second tension sensor (150) is connected to the body of the supporting plate (140), a second connecting line (151) is connected to the lower side of the second tension sensor (150), a second hook (152) is connected to the lower side of the second connecting line (151), a connecting plate (240) is connected to the upper side of the transparent placing tank (200), and a third circular ring (241) is connected to the upper side of the connecting plate (240).

2. The liquid buoyancy demonstration device for physics teaching according to claim 1, wherein: the bottom wall of the inner cavity of the glass water tank (100) is connected with a first tension sensor (110), the upper side of the first tension sensor (110) is connected with a first connecting wire (120), the upper side of the first connecting wire (120) is connected with a first hook (130), and the lower side of the transparent placing tank (200) is connected with a first circular ring (210).

3. The liquid buoyancy demonstration device for physics teaching of claim 1, wherein: buoyancy device (230) are including kickboard (231), the upside of kickboard (231) is connected with inhales iron stone piece (232), the downside of kickboard (231) is connected with second ring (233).

4. The liquid buoyancy demonstration device for physics teaching according to claim 1, wherein: the left side and the right side of the bottom end of the supporting plate (140) are both connected with clamping blocks (141), and clamping grooves matched with the side walls of the glass water tank (100) are formed in the lower sides of the clamping blocks (141).

5. The liquid buoyancy demonstration device for physics teaching according to claim 1, wherein: four groups of guide rods (160) are connected to the bottom wall of the glass water tank (100), and two groups of jacks matched with the guide rods (160) are formed in the auxiliary plates (220) on the left side and the right side.

6. The liquid buoyancy demonstration device for physics teaching of claim 5, wherein: the left side and the right side of the glass water tank (100) are both connected with handles, and four corners of the bottom end of the glass water tank (100) are both connected with foot seats.